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Summernote is a JavaScript library that helps you create WYSIWYG editors online. It has few special features like Paste images from clipboard, Saves images directly in the content of the field using base64 encoding, so you don't need to implement image handling at all, Interactive WYSIWYG editing.

Please check out this fork.wysihtml5 is an open source rich text editor based on HTML5 technology and the progressive-enhancement approach. It uses a sophisticated security concept and aims to generate fully valid HTML5 markup by preventing unmaintainable tag soups and inline styles. The code is completely library agnostic: No jQuery, Prototype or similar is required.

You can clone the source code from github, or using bower.You can set defaults.textarea to a piece of HTML string, by default, it's <textarea name="content"></textarea>。This will be set as innerHTML of your #editor.

Quill is a modern rich text editor built for compatibility and extensibility. It was created by Jason Chen and Byron Milligan and open sourced by Salesforce.com. It provides granular access to the editor's content, changes and events through a simple API. It works consistently and deterministically with JSON as both input and output.

WYMeditor is a web-based WYSIWYM (What You See Is What You Mean) XHTML editor (not WYSIWYG). WYMeditor has been created to generate perfectly structured XHTML strict code, to conform to the W3C XHTML specifications and to facilitate further processing by modern applications.

Emmet (formerly Zen Coding) is a web-developer’s toolkit that can greatly improve your HTML & CSS workflow. With Emmet, you can type CSS-like expressions that can be dynamically parsed, and produce output depending on what you type in the abbreviation. Emmet is developed and optimised for web-developers whose workflow depends on HTML/XML and CSS, but can be used with programming languages too.

Trix is a WYSIWYG editor for writing messages, comments, articles, and lists—the simple documents most web apps are made of. It features a sophisticated document model, support for embedded attachments, and outputs terse and consistent HTML.

If you choose to use the custom image handler, an event is emitted when a a photo is selected. You can see below that 3 parameters are passed. NOTE In addition to this example, I have created a example repo demonstrating this new feature with an actual server.

CKEditor is a text editor to be used inside web pages. It's a WYSIWYG editor, which means that the text being edited on it looks as similar as possible to the results users have when publishing it. It brings to the web common editing features found on desktop editing applications like Microsoft Word and OpenOffice. It's an editor to be used inside web pages.

The SeaMonkey project is a community effort to develop the SeaMonkey all-in-one internet application suite. It contains an Internet browser, email & newsgroup client with an included web feed reader, HTML editor, IRC chat and web development tools. Under the hood, SeaMonkey uses much of the same Mozilla source code which powers such successful siblings as Firefox and Thunderbird.

TinyMCE is a platform independent web based Javascript HTML WYSIWYG editor control. It has the ability to convert HTML TEXTAREA fields or other HTML elements to editor instances. TinyMCE is very easy to integrate.

Ace is a standalone code editor written in Javascript. Ace is developed as the primary editor for Cloud9 IDE and the successor of the Mozilla Skywriter project. Ace can be easily embedded into any existing web page. It could provide Syntax highlighting, Auto indentation, key bindings including VI and Emacs modes, Themes, Search and replace and lot more.

FreeTextBox is the most-used HTML editor for ASP.NET. It is compatible with IE on the PC, and Mozilla and Firefox on all platforms. It is used in major Open Source projects such as Community Server and DotNetNuke as well as excellent packages like Smarter Mail.